11220814 has 24 divisors (see below), whose sum is σ = 18673200. Its totient is φ = 5052960.

The previous prime is 11220809. The next prime is 11220817. The reversal of 11220814 is 41802211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11220791 and 11220800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48042 + ... + 48274.

It is an arithmetic number, because the mean of its divisors is an integer number (778050).

Almost surely, 2^11220814 is an apocalyptic number.

11220814 is a deficient number, since it is larger than the sum of its proper divisors (7452386).

11220814 is a wasteful number, since it uses less digits than its factorization.

11220814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11220814 is about 3349.7483487570. The cubic root of 11220814 is about 223.8763002179.

The spelling of 11220814 in words is "eleven million, two hundred twenty thousand, eight hundred fourteen".